{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:RD3Y5TUNGZHYLCUFTFFKDMJVSM","short_pith_number":"pith:RD3Y5TUN","canonical_record":{"source":{"id":"2409.16028","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-09-24T12:27:53Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"27f4b96f60187bd727a0c18276871d42b6588c5d8c02d056a826ca3647e60460","abstract_canon_sha256":"a1c743be6ae4fd5dfd6802dcce0b58a8a2c6642f0b36aa68a2edaf642a145bd7"},"schema_version":"1.0"},"canonical_sha256":"88f78ece8d364f858a85994aa1b13593349b8aea851665e2bae99b2636c4cf03","source":{"kind":"arxiv","id":"2409.16028","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.16028","created_at":"2026-07-05T09:11:03Z"},{"alias_kind":"arxiv_version","alias_value":"2409.16028v1","created_at":"2026-07-05T09:11:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.16028","created_at":"2026-07-05T09:11:03Z"},{"alias_kind":"pith_short_12","alias_value":"RD3Y5TUNGZHY","created_at":"2026-07-05T09:11:03Z"},{"alias_kind":"pith_short_16","alias_value":"RD3Y5TUNGZHYLCUF","created_at":"2026-07-05T09:11:03Z"},{"alias_kind":"pith_short_8","alias_value":"RD3Y5TUN","created_at":"2026-07-05T09:11:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:RD3Y5TUNGZHYLCUFTFFKDMJVSM","target":"record","payload":{"canonical_record":{"source":{"id":"2409.16028","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-09-24T12:27:53Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"27f4b96f60187bd727a0c18276871d42b6588c5d8c02d056a826ca3647e60460","abstract_canon_sha256":"a1c743be6ae4fd5dfd6802dcce0b58a8a2c6642f0b36aa68a2edaf642a145bd7"},"schema_version":"1.0"},"canonical_sha256":"88f78ece8d364f858a85994aa1b13593349b8aea851665e2bae99b2636c4cf03","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:11:03.893627Z","signature_b64":"2HEDvQBpHBKo0VeoWHtaGauU3JwBtmuOH68/jGk8oPk3Ioaa9KpJtgs46wRKSdp/rctlRfgmEudPPrA/gNLMAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88f78ece8d364f858a85994aa1b13593349b8aea851665e2bae99b2636c4cf03","last_reissued_at":"2026-07-05T09:11:03.893022Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:11:03.893022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2409.16028","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:11:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WDTYUhuQgm+3EH7d7aPF+G0FdBzckfCzLeylaryYNyR9xVTKmy1Kmig5/yNd42DaPPuCIx81W6ApPDbCuBe8AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T17:46:44.733712Z"},"content_sha256":"5dc97adc11f6314a035606a5fc140bcfe3b16afbccc2e68e57b0c5c9dc4d1848","schema_version":"1.0","event_id":"sha256:5dc97adc11f6314a035606a5fc140bcfe3b16afbccc2e68e57b0c5c9dc4d1848"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:RD3Y5TUNGZHYLCUFTFFKDMJVSM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chromospheric modeling of the active M3V star G 80-21 with RH1.5D","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Henggeng Han, Huigang Wei, Jianrong Shi, Jifeng Liu, Shangbin Yang, Shuai Liu, Wenxian Li","submitted_at":"2024-09-24T12:27:53Z","abstract_excerpt":"This study investigates the active regions of the M3.0V star G 80-21 using the observed data from the CARMENES project with synthetic spectra generated by the RH1.5D radiative transfer code. The CARMENES project aims to search for exoplanets around M dwarfs using high-resolution near-infrared and optical echelle spectrographs. By comparing the observed data and models for the chromospheric lines of H$_\\alpha$ and the bluest Ca II infrared triplet line, we obtain the best-fit models for this star. The optimal fitting for the observed spectrum of G 80-21 is achieved by employing two active areas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.16028","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2409.16028/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:11:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0CVaW07zeXqWHJpmVhAMwZLMQ5KnwfVAanve3NnwdckbLjd/P0F0vSuJtzefmOz47Ik6wl59vwvpgEVS9qUeBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T17:46:44.734104Z"},"content_sha256":"51fffa67ddf8aa5969039aec13ff48433fc2c63aa25a3507b12bee1feffcb059","schema_version":"1.0","event_id":"sha256:51fffa67ddf8aa5969039aec13ff48433fc2c63aa25a3507b12bee1feffcb059"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RD3Y5TUNGZHYLCUFTFFKDMJVSM/bundle.json","state_url":"https://pith.science/pith/RD3Y5TUNGZHYLCUFTFFKDMJVSM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RD3Y5TUNGZHYLCUFTFFKDMJVSM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-06T17:46:44Z","links":{"resolver":"https://pith.science/pith/RD3Y5TUNGZHYLCUFTFFKDMJVSM","bundle":"https://pith.science/pith/RD3Y5TUNGZHYLCUFTFFKDMJVSM/bundle.json","state":"https://pith.science/pith/RD3Y5TUNGZHYLCUFTFFKDMJVSM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RD3Y5TUNGZHYLCUFTFFKDMJVSM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:RD3Y5TUNGZHYLCUFTFFKDMJVSM","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a1c743be6ae4fd5dfd6802dcce0b58a8a2c6642f0b36aa68a2edaf642a145bd7","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-09-24T12:27:53Z","title_canon_sha256":"27f4b96f60187bd727a0c18276871d42b6588c5d8c02d056a826ca3647e60460"},"schema_version":"1.0","source":{"id":"2409.16028","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.16028","created_at":"2026-07-05T09:11:03Z"},{"alias_kind":"arxiv_version","alias_value":"2409.16028v1","created_at":"2026-07-05T09:11:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.16028","created_at":"2026-07-05T09:11:03Z"},{"alias_kind":"pith_short_12","alias_value":"RD3Y5TUNGZHY","created_at":"2026-07-05T09:11:03Z"},{"alias_kind":"pith_short_16","alias_value":"RD3Y5TUNGZHYLCUF","created_at":"2026-07-05T09:11:03Z"},{"alias_kind":"pith_short_8","alias_value":"RD3Y5TUN","created_at":"2026-07-05T09:11:03Z"}],"graph_snapshots":[{"event_id":"sha256:51fffa67ddf8aa5969039aec13ff48433fc2c63aa25a3507b12bee1feffcb059","target":"graph","created_at":"2026-07-05T09:11:03Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2409.16028/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This study investigates the active regions of the M3.0V star G 80-21 using the observed data from the CARMENES project with synthetic spectra generated by the RH1.5D radiative transfer code. The CARMENES project aims to search for exoplanets around M dwarfs using high-resolution near-infrared and optical echelle spectrographs. By comparing the observed data and models for the chromospheric lines of H$_\\alpha$ and the bluest Ca II infrared triplet line, we obtain the best-fit models for this star. The optimal fitting for the observed spectrum of G 80-21 is achieved by employing two active areas","authors_text":"Henggeng Han, Huigang Wei, Jianrong Shi, Jifeng Liu, Shangbin Yang, Shuai Liu, Wenxian Li","cross_cats":["astro-ph.EP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-09-24T12:27:53Z","title":"Chromospheric modeling of the active M3V star G 80-21 with RH1.5D"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.16028","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:5dc97adc11f6314a035606a5fc140bcfe3b16afbccc2e68e57b0c5c9dc4d1848","target":"record","created_at":"2026-07-05T09:11:03Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a1c743be6ae4fd5dfd6802dcce0b58a8a2c6642f0b36aa68a2edaf642a145bd7","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-09-24T12:27:53Z","title_canon_sha256":"27f4b96f60187bd727a0c18276871d42b6588c5d8c02d056a826ca3647e60460"},"schema_version":"1.0","source":{"id":"2409.16028","kind":"arxiv","version":1}},"canonical_sha256":"88f78ece8d364f858a85994aa1b13593349b8aea851665e2bae99b2636c4cf03","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"88f78ece8d364f858a85994aa1b13593349b8aea851665e2bae99b2636c4cf03","first_computed_at":"2026-07-05T09:11:03.893022Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:11:03.893022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2HEDvQBpHBKo0VeoWHtaGauU3JwBtmuOH68/jGk8oPk3Ioaa9KpJtgs46wRKSdp/rctlRfgmEudPPrA/gNLMAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:11:03.893627Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.16028","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5dc97adc11f6314a035606a5fc140bcfe3b16afbccc2e68e57b0c5c9dc4d1848","sha256:51fffa67ddf8aa5969039aec13ff48433fc2c63aa25a3507b12bee1feffcb059"],"state_sha256":"d7656bad987f6faec44ef81348b64fa3b2d4c8951e501715e41eb8ea6f4ee837"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZymBXMRSMJ7Z28k8YraLIS5h97KsdXtMNXSviTc506SyNypxGIHbR6NBQMknGk2n1fSyPs6ydPhkG+Bo+l8EAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T17:46:44.737102Z","bundle_sha256":"d3baadd016a31eed8cbbea9ac9019f2ed199c47a99033da25d14d5b6c816a6bb"}}